Kleinbaum, David G. Applied regression analysis and other multivariable methods / David G. Kleinbaum Lawrence L. Kupper, Keith E. Muller - 2nd ed. - Boston, MA. : PWS-KENT Publishing Company, 1988 - xviii, 718 p. : ill. ; 24 cm. ISBN: 0871501236 Subjects--Topical Terms: Multivariate analysisRegression analysis